what's more

what's more

Furthermore; the next aspect or fact is equally or more important. This bill will remove insurance from millions of citizens across the country. What's more, it will actually punish people who continue to have insurance under their old policies.
See also: more

(and) what’s ˈmore

,

what is ˈmore

(and) more importantly; (and) in addition: I don’t like pubs. They’re noisy, smelly, and what’s more, expensive.
See also: more
References in classic literature ?
What's more, he told me with his own lips that he done the deed.
And what's more, he added, suddenly turning bloodthirsty, 'I mean to have it